<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"></el-table-column>
        <el-table-column
          prop="goods_price"
          label="商品价格"
          width="95px"
        ></el-table-column>
        <el-table-column
          prop="goods_weight"
          label="商品重量"
          width="70px"
        ></el-table-column>
        <el-table-column label="创建时间" width="140px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dataFormat }}
          </template></el-table-column
        >
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini">
            </el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
            >
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 确认删除对话框
      <el-dialog
        title="确认删除？"
        :visible.sync="deleteDialogVisible"
        width="50%"
      >
        <span slot="footer" class="dialog-footer">
          <el-button @click="deleteDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="deleteGoods">确 定</el-button>
        </span>
      </el-dialog> -->
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 20, 30]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data () {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodsInput: '',
      goodsList: [],
      total: 0,
      // 控制删除对话框的显示与隐藏
      deleteDialogVisible: false
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 获取商品参数
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取数据失败')
      }
      // this.$message.success('获取数据成功')
      this.goodsList = res.data.goods
      this.total = res.data.total
      // console.log(this.goodsList)
    },
    // pageSize改变时会触发
    handleSizeChange (pageSize) {
      this.queryInfo.pagesize = pageSize
      this.getGoodsList()
    },
    // 当前页发生变化
    handleCurrentChange (currentPage) {
      this.queryInfo.pagenum = currentPage
      this.getGoodsList()
    },
    // 点击删除按钮弹出删除对话框
    async removeById (goods_id) {
      const confirmResult = await this.$confirm('此操作将永久删除该数据, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        this.$message.info('已经取消删除')
        return
      }
      const { data: res } = await this.$http.delete('goods/' + goods_id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除数据失败')
      }
      this.$message.success('删除数据成功')
      this.getGoodsList()
    },
    // 点击添加商品按钮跳转到对应页面
    goAddpage () {
      this.$router.push('goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
</style>